Casio Duro MDV106 vs Citizen Promaster Aqualand BN2038
Two divers compared — $50–$100 vs $500–$1,000
Quick Verdict
The Casio Duro MDV106 ($50–$100) offers Casio Quartz (Battery) precision in the tier below the Citizen Promaster Aqualand BN2038 ($500–$1,000). The Duro MDV106 measures 44mm and is rated 200m (20 ATM) Diver. The Promaster Aqualand BN2038 counters with Citizen (Japan) craftsmanship and 200m Diver water resistance. Both are exceptional divers for their respective tiers.
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Specifications Compared
| Feature | Casio Duro MDV106 | Citizen Promaster Aqualand BN2038 |
|---|---|---|
| Price | $50–$100 | $500–$1,000 |
| Case Size | 44mm | 46mm |
| Movement | Quartz Module 2784 | Eco-Drive |
| Caliber Type | Casio Quartz (Battery) | Citizen Eco-Drive |
| Power Reserve | 3-Year Battery | — |
| Water Resistance | 200m (20 ATM) Diver | 200m Diver |
| Crystal | Mineral Glass | — |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Casio (Japan) | Citizen (Japan) |
Category-by-Category Analysis
Design & Aesthetics
Casio's design language vs Citizen's approach
The Casio Duro MDV106 features a Stainless Steel case at 44mm with Mineral Glass protection. The Citizen Promaster Aqualand BN2038 offers Stainless Steel construction at 46mm with crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Quartz Module 2784 vs Eco-Drive
The Duro MDV106 runs the Quartz Module 2784 (Casio Quartz (Battery), 3-Year Battery power reserve) at standard frequency. The Promaster Aqualand BN2038 uses the Eco-Drive (Citizen Eco-Drive, standard reserve) at standard. The Duro MDV106 edges ahead on power reserve.
Wearability & Fit
44mm vs 46mm — different wrist presence
At 44mm, the Duro MDV106 wears more compactly on smaller wrists compared to the Promaster Aqualand BN2038 at 46mm. Water resistance differs: 200m (20 ATM) Diver vs 200m Diver.
Value & Cost of Ownership
Casio sits in the lower tier
The Casio Duro MDV106 sits at $50–$100 and the Citizen Promaster Aqualand BN2038 at $500–$1,000. On the specs that outlast any price: the Duro MDV106 uses Mineral Glass with 3-Year Battery, against a hardened crystal and a standard reserve on the Promaster Aqualand BN2038. Service intervals are typically 5-7 years for both.
Water Resistance
200m (20 ATM) Diver vs 200m Diver
The Duro MDV106 is rated to 200m (20 ATM) Diver while the Promaster Aqualand BN2038 handles 200m Diver. Both offer identical water resistance ratings.
Our Verdict
Casio
Duro MDV106
Choose the Casio Duro MDV106 if you prioritize Casio Quartz (Battery) engineering, Casio (Japan) craftsmanship, and 200m (20 ATM) Diver water resistance. At $50–$100, it delivers Quartz Module 2784 with 3-Year Battery power reserve.
Check Price on AmazonCitizen
Promaster Aqualand BN2038
Choose the Citizen Promaster Aqualand BN2038 if you value Citizen Eco-Drive technology, Citizen (Japan) heritage, and 46mm proportions. At $500–$1,000, the Eco-Drive with ample power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Casio Duro MDV106 and Citizen Promaster Aqualand BN2038 represent two distinct approaches to the diver category — the Casio bringing Casio (Japan) tradition while Citizen delivers Citizen (Japan) engineering.
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How This Page Was Made
Our comparisons are generated from a hand-maintained specification database and reviewed under our editorial standards. We use AI tools to assemble pages from that data. We don’t invent specs: every number traces back to the database, and when we correct an entry, the fix is applied site-wide. As an Amazon Associate, The Horologist earns from qualifying purchases.

